<script setup>
import {Plus,Upload} from '@element-plus/icons-vue'
import { useTokenStore } from '@/stores/token';
import { ref } from 'vue';
const uploadRef = ref()
const tokenStore = useTokenStore();

import useUserInfoStore from '@/stores/userInfo';
const userInfoStoken = useUserInfoStore();

import avatar from '@/assets/default.png'

const imgUrl = ref(userInfoStoken.info.avatar);

//传入图片后调用回调函数(还没上传)
const uploadSuccess = (result)=>{
    imgUrl.value = result.data;
}


import { updateAvatarService } from '@/api/user';
import { ElMessage } from 'element-plus';

//上传头像
const updateAvatar = async()=>{
    let result = await updateAvatarService(imgUrl.value);
    ElMessage.success(result.message ? result.message : '修改成功');
    //存到pinia
    userInfoStoken.info.avatar = imgUrl.value;
}

</script>

<template>
    <el-card class="page-container">
        <template #header>
            <div class="header">
                <span>更换头像</span>
            </div>
        </template>
        <el-row>
            <el-col :span="12">
                <el-upload 
                    ref="uploadRef"
                    class="avatar-uploader" 
                    :show-file-list="false"

                    :auto-upload="true"
                    action="/blog/upload"
                    name="file"
                    :headers="{'Authorization':tokenStore.token}"
                    :on-success="uploadSuccess"
                    >
                    <img v-if="imgUrl" :src="imgUrl" class="avatar" />
                    <img v-else :src="avatar" width="278" />
                </el-upload>
                <br />
                <!-- uploadRef是个响应式变量 -->
                <el-button type="primary" :icon="Plus" size="large"  @click="uploadRef.$el.querySelector('input').click()">
                    选择图片
                </el-button>
                <el-button type="success" :icon="Upload" size="large" @click="updateAvatar">
                    上传头像
                </el-button>
            </el-col>
        </el-row>
    </el-card>
</template>

<style lang="scss" scoped>
.avatar-uploader {
    :deep() {
        .avatar {
            width: 278px;
            height: 278px;
            display: block;
        }

        .el-upload {
            border: 1px dashed var(--el-border-color);
            border-radius: 6px;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: var(--el-transition-duration-fast);
        }

        .el-upload:hover {
            border-color: var(--el-color-primary);
        }

        .el-icon.avatar-uploader-icon {
            font-size: 28px;
            color: #8c939d;
            width: 278px;
            height: 278px;
            text-align: center;
        }
    }
}
</style>